Gossamer Bio, Inc. 8-K

What Happened
Gossamer Bio, Inc. (GOSS) announced on June 2, 2026 (via an 8-K and attached press release) that it extended the early tender deadline for its previously announced exchange offer and consent solicitation relating to its 5.00% Convertible Senior Notes due 2027. The new early tender deadline is 5:00 p.m., New York City time, on June 2, 2026. The press release is attached as Exhibit 99.1 to the filing.

Key Details

• The securities involved are Gossamer’s 5.00% Convertible Senior Notes due 2027.
• The early tender deadline for the Exchange Offer and Consent Solicitation was extended to 5:00 p.m., New York City time, on June 2, 2026.
• The 8-K was filed and signed by Christian Waage, Executive Vice President and General Counsel, dated June 2, 2026.
• The filing includes a standard forward‑looking statements caution about risks and uncertainties related to completing the Exchange Offer.

Why It Matters
An extended early tender deadline gives holders more time to decide whether to participate in the Exchange Offer and Consent Solicitation, which could affect the company’s near‑term debt structure and potential dilution if convertible notes are exchanged. Investors should note the company warned it may not complete the offer as anticipated; review Gossamer’s prior SEC filings (including Risk Factors) for detailed risks and monitor further announcements for final results.